Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 4.48
Milk (kg) -25.00 -0.014 0.35
Fat (kg) -4.36 -0.375 1.63
Prot (kg) -5.65 -0.441 2.49
Fertility Sub Index 0.25
Calving Interval (days) -0.22 -1.459 0.32
Survival (%) -0.06 1.117 -0.07
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.47
Carcass Weight (kg) -0.60 -0.528 0.32
Age of Slaughter (days) 1.83 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 1.38
Live WT (kg) -4.50 -0.307 1.38
Total Carbon Sub Index 5.17

* Based on an €80/tonne carbon price